Emergency Stop Push Buttons

An emergency stop push button is a fail-safe control switch that provides both safety for the machinery and for the person using the machinery. The purpose of the emergency push button is to stop the machinery quickly when there is a risk of injury or the workflow requires stopping.

All machinery requires an emergency top button unless it would not reduce the risk or the machine is hand operated. The buttons are red as standard, often with a yellow background.

Types of Emergency Stops

The three most common emergency stops are:
•Push-pull: The button is pushed in to stop and released by pulling the button back.


•Twist release: The button is pushed in to stop and released by twisting the button.


•Key release: The button is pushed in to stop and only released with a key.



Where are they used?

Emergency stop push buttons can be found in any industry including industrial, commercial and public facilities. They are required to be clearly visible to anyone that is required to use them. It is also possible to have several emergency stop buttons on one machine depending on what part of the machine has to be stopped.

Some industries that require emergency stop push buttons are:
•Material handling


•Mining


•Food and beverage


•HVAC


•Amusements


•Marine


•Aviation



Foot and palm buttons have a large actuator surface and are also tamper-proof. They can be actuated by using the foot or hand and their simple design makes for a quick response. These types of emergency stop switches are ideal for harsh environment applications.

Position switches provide a link to the emergency stop actuating element. This type of emergency stop button is highly reliable plus quick and easy to fit. They can also be used in a wide range of applications.

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Description Price Mounting Type Reset Method Normal State Configuration Cutout Diameter Safety Contacts Auxiliary Contacts Supply Current Pole and Throw Configuration IP Rating Push Button Actuation Supply Voltage Head Style Illuminated Range
RS Stock No. 742-9338
Mfr. Part No.3SB3801-0EF3
BrandSiemens
MYR283.73
Each
units
Surface Mount Twist to Reset 2NC - - - - - IP65 - - Mushroom No -
RS Stock No. 546-644
Mfr. Part No.XAPJ1201SPEC0971
MYR449.55
Each
units
Panel Mount Key Reset NO/2NC - - - 3 (ac) A, 270 (dc) mA TPST IP65 - 240 V ac, 250 V dc Mushroom No Harmony
RS Stock No. 528-0992
Mfr. Part No.3SB3201-1HA20
BrandSiemens
MYR139.58
Each
units
Panel Mount Twist to Reset NO/NC - - - 10 A - IP66 - - Mushroom No Signum
RS Stock No. 795-1302
Mfr. Part No.XALK188
MYR150.71
Each
units
Surface Mount Key Reset NC - - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
RS Stock No. 810-3794
Mfr. Part No.M22-PV/K01
BrandEaton
MYR158.37
Each
units
Panel Mount Pull to Reset NC 22.5mm - - 15 mA - IP66, IP67, IP69K - 12 → 30 V ac Round No RMQ Titan
RS Stock No. 103-8532
Mfr. Part No.3SU1100-1HB20-1CG0
BrandSiemens
MYR116.99
Each
units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP20, IP66, IP67, IP69, IP69K Latching - Mushroom - SIRIUS ACT
RS Stock No. 103-8533
Mfr. Part No.3SU1150-1HB20-1CG0
BrandSiemens
MYR118.20
Each
units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP20, IP66, IP67, IP69, IP69K Latching - Mushroom - SIRIUS ACT
RS Stock No. 521-3627
Mfr. Part No.1TVC101000P3206
BrandABB
MYR338.15
Each
units
Surface Mount Key Reset NC - - - - DPST IP66 - - Round No -
RS Stock No. 757-9092
Mfr. Part No.A22EL-M-24A-01
BrandOmron
MYR308.10
Each
units
Panel Mount Twist to Reset NC - - - - SPST IP65 - - Mushroom Yes -
RS Stock No. 453-3100
Mfr. Part No.3SB3500-1HA20
BrandSiemens
MYR106.58
Each
units
Panel Mount Twist to Reset - - - - - - IP67 - - Mushroom No Signum
RS Stock No. 417-5401
Mfr. Part No.A01ES-DSP3+54B-D+FM2+YL5+PEA01
BrandAPEM
MYR178.89
Each
units
Surface Mount Twist to Reset NC - - - 6 A DPST IP65 - 250 V ac Mushroom No -
RS Stock No. 757-8897
Mfr. Part No.1SFA611523R1001
BrandABB
MYR78.52
Each
units
Panel Mount Twist to Reset - - - - - - IP20, IP66 - - Mushroom No Compact
RS Stock No. 609-5600
Mfr. Part No.XB4BT845
MYR218.70
Each
units
Panel Mount Pull to Reset NO/NC 22mm - - 6 (ac) A, 550 (dc) mA DPST IP66, IP67, IP69, IP69K - 600 V ac/dc Mushroom No Harmony
RS Stock No. 831-7898
Mfr. Part No.AVW4B-R
BrandIdec
MYR20.81
Each
units
Panel Mount Twist to Reset - 22.3mm - - - - IP65 - - Mushroom No -
RS Stock No. 103-8530
Mfr. Part No.3SU1051-1HB20-0AA0
BrandSiemens
MYR96.58
Each
units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP66, IP67, IP69, IP69K Latching - Mushroom Yes SIRIUS ACT
RS Stock No. 103-8499
Mfr. Part No.3SU1001-1HB20-0AA0
BrandSiemens
MYR90.36
Each
units
Panel Mount Turn to Unlatch - 22.3mm - - - - IP66, IP67, IP69, IP69K Latching - Mushroom Yes SIRIUS ACT
RS Stock No. 259-946
Mfr. Part No.LBX10510
BrandBACO
MYR172.81
Each
units
Surface Mount Twist to Reset NC - - - - - IP66 - - Mushroom No -
RS Stock No. 757-9077
Mfr. Part No.A165E-S-02
BrandOmron
MYR236.37
Each
units
Panel Mount Twist to Reset 2NC - - - - DPST IP65 - - Mushroom No -
RS Stock No. 609-2623
Mfr. Part No.ZB4BS834
MYR154.15
Each
units
Panel Mount Twist to Reset - 22mm - - - - IP66, IP69, IP69K - - Mushroom No Harmony
RS Stock No. 795-1315
Mfr. Part No.XB4BS9442
MYR164.09
Each
units
Panel Mount Key Reset NC 22.5mm - - 1.2 A SPST IP66, IP67, IP69, IP69K - 600 V ac Mushroom No Harmony
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